Electrostatic oil fume purification device
Technical field
The utility model relates to electrostatic oil fume purification device.
Background technology
Electrostatic oil fume purification device is widely used in industry lampblack and purifies place, its structure comprises: purify casing, the one end that purifies casing is provided with air inlet, the other end that purifies casing is provided with air outlet, in purification casing between air inlet and air outlet, be provided with high-voltage electrostatic field, traditional high-pressure electrostatic field structure comprises: the unit electric field of arranging along some matrix forms of oil smoke flow direction setting, each unit electric field comprises: installing rack, is disposed with corona zone and collecting region along the flow direction of oil smoke in installing rack.Corona zone makes airborne smoke particle become positively charged lotus or negative electrical charge, brings the smoke particle of positive and negative electric charge to enter to be collected district after collecting region to collect again.When work, the air that contains smoke particle enters and purifies in casing from air inlet, enter corona zone and collecting region that the air that contains smoke particle purifying in casing enters successively each unit electric field, also passes through successively each electric field, thereby airborne smoke particle is removed, removed the air of smoke particle and discharged from gas outlet.Traditional unit electric field structure complexity, production cost is high, and easily by smoke particle pollute, the cleaning frequency is short and easy cleaning, operation cost are not high.
Utility model content
The utility model technical issues that need to address are: provide a kind of simple in structure, production cost is low, the electrostatic oil fume purification device of easy cleaning.
For addressing the above problem, the technical solution adopted in the utility model is: electrostatic oil fume purification device, comprise: purify casing, the one end that purifies casing is provided with air inlet, the other end that purifies casing is provided with air outlet, in purification casing between air inlet and air outlet, be provided with high-voltage electrostatic field, high-pressure electrostatic field structure comprises: the unit electric field of arranging along the matrix form of oil smoke flow direction setting, each unit electric field comprises: installing rack, in installing rack, be disposed with corona zone and collecting region along the flow direction of oil smoke, corona zone comprises: some corona zones pole plate of evenly arranging, every corona zone pole plate is all along the mobile direction setting of oil smoke, corona zone pole plate is fixedly mounted in corona zone pole plate installation shaft, the two ends of corona zone pole plate installation shaft are fixedly mounted on respectively on installing rack, collecting region comprises: some collecting region pole plates of evenly arranging, every collecting region pole plate all arranges along oil smoke flow direction, between every adjacent two corona zone pole plates and be respectively arranged with corona wire between corona zone pole plate and installing rack inwall, mutually insulated between corona wire and corona zone pole plate and installing rack, the two ends up and down of corona wire are arranged on respectively on upper and lower corona discharge electrode, and the two ends of upper and lower corona discharge electrode are stretched out respectively and are fixedly mounted on corona discharge electrode installing plate from the corona zone through hole of installing rack, collecting region pole plate is divided into collecting region positive plate and the collecting region negative plate of mutually insulated, collecting region positive plate and collecting region negative plate space arrange, collecting region positive plate is fixedly mounted in collecting region positive plate installation shaft, the two ends of collecting region positive plate installation shaft are fixedly mounted on respectively on installing rack, collecting region negative plate is fixedly mounted in collecting region negative plate installation shaft, and the two ends of collecting region negative plate installation shaft are fixing with installing rack insulation respectively, the surface of positive plate installation shaft, collecting region negative plate installation shaft and the upper and lower corona discharge electrode of described corona zone pole plate, collecting region positive plate, collecting region negative plate, corona zone pole plate installation shaft, collecting region is coated with one deck oil resistant, corrosion-resistant, resistant to elevated temperatures non-sticking lining, and the thickness of non-sticking lining is 8~12 μ m, the electric conductivity of non-sticking lining is (3 ± 20%) Ω/cm
2, non-sticking lining heatproof is not less than 200 ℃.
Further, aforesaid electrostatic oil fume purification device, wherein, is also coated with one deck oil resistant, corrosion-resistant, resistant to elevated temperatures non-sticking lining on the inwall of installing rack, and the thickness of non-sticking lining is 8~12 μ m, and the electric conductivity of non-sticking lining is (3 ± 20%) Ω/cm
2, non-sticking lining heatproof is not less than 200 ℃.
Further, aforesaid electrostatic oil fume purification device, wherein, described non-sticking lining is Anti-Adherence Coating of Polytetrafluoroethylene.
Further, aforesaid electrostatic oil fume purification device, wherein, is provided with conductive material in non-sticking lining, and conductive material is carbon, and it is (3 ± 20%) Ω/cm that the addition of carbon makes the electric conductivity of non-sticking lining
2.
Further, aforesaid electrostatic oil fume purification device, wherein, the end of collecting region negative plate installation shaft and the installing rack fixing concrete structure that insulate comprises: stretch out in the collecting region through hole from installing rack respectively at the two ends of collecting region negative plate installation shaft, and be supported in the installing hole on the installing plate on installing rack outer wall, described installing plate is fixedly mounted on installing rack outer wall, in collecting region negative plate installation shaft in installing hole, be set with insulation sleeve, in collecting region negative plate installation shaft in insulation sleeve, threaded engagement is provided with clamp nut, tighten clamp nut, can make insulation sleeve be fastened with corresponding collecting region negative plate installation shaft.
The utility model has the advantages that: simple in structure, production cost is low, and due to the corona zone pole plate in each unit electric field installing rack, collecting region positive plate, collecting region negative plate, corona zone pole plate installation shaft, on, lower corona discharge electrode, the positive plate installation shaft of collecting region, the surface of collecting region negative plate installation shaft is coated with one deck oil resistant, corrosion-resistant, high temperature resistant, the non-sticking lining of conduction, make like this smoke particle be difficult for sticking to corona zone pole plate, collecting region positive plate, collecting region negative plate, corona zone pole plate installation shaft, on, lower corona discharge electrode, the positive plate installation shaft of collecting region, the surface of collecting region negative plate installation shaft, thereby greatly extend the cleaning frequency of electric field, in addition, when cleaning, smoke particle also can separate from the surface of each parts easily, becomes very convenient thereby electric field is cleaned.
Accompanying drawing explanation
Fig. 1 is the structural representation of electrostatic oil fume purification device described in the utility model.
Fig. 2 is the structural representation of a unit electric field in Fig. 1.
Fig. 3 is the structural representation that Fig. 2 overlooks direction.
Fig. 4 is the corona zone structural representation of the left apparent direction of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
As shown in Figure 1, electrostatic oil fume purification device, comprise: purify casing 18, the one end that purifies casing 18 is provided with air inlet 19, the other end that purifies casing 18 is provided with air outlet 20, in purification casing 18 between air inlet 19 and air outlet 20, be provided with high-voltage electrostatic field, high-pressure electrostatic field structure comprises: the unit electric field 21 of arranging along the matrix form of oil smoke flow direction setting, unit electric field 21 can be determined according to the size and the actual needs that purify casing 18 in the quantity of arranging of the each row of each row.Each unit electric field 21 comprises: installing rack 1, in installing rack 1, be disposed with corona zone 2 and collecting region 3 along the flow direction of oil smoke, corona zone 2 comprises: some corona zones pole plate 4 of evenly arranging, every corona zone pole plate 4 is all along the mobile direction setting of oil smoke, corona zone pole plate 4 is fixedly mounted in corona zone pole plate installation shaft 5, the two ends of corona zone pole plate installation shaft 5 are fixedly mounted on respectively on installing rack 1, between every adjacent two corona zone pole plates 4, and be provided with corona wire 6 between corona zone pole plate 4 and the inwall of installing rack 1, mutually insulated between corona wire 6 and corona zone pole plate 4 and installing rack 1, every corona wire 6 upper, lower two ends are arranged on respectively, lower corona discharge electrode 7, on 71, the two ends of corona discharge electrode are stretched out respectively and are fixedly mounted on installing rack 1 and insulate on the corona discharge electrode installing plate 8 being connected from the corona zone through hole 9 of installing rack 1, collecting region comprises: some collecting region pole plates of evenly arranging, every collecting region pole plate all arranges along oil smoke flow direction, collecting region pole plate is divided into collecting region positive plate 10 and the collecting region negative plate 11 of mutually insulated, collecting region positive plate 10 and collecting region negative plate 11 spaces arrange, collecting region positive plate 10 is fixedly mounted in collecting region positive plate installation shaft 12, the two ends of collecting region positive plate installation shaft 12 are fixedly mounted on respectively on installing rack 1, collecting region negative plate 11 is fixedly mounted in collecting region negative plate installation shaft 13, the two ends of collecting region negative plate installation shaft 13 are fixing with installing rack 1 insulation respectively, in the present embodiment, the end of collecting region negative plate installation shaft 13 and the installing rack 1 fixing concrete structure that insulate comprises: stretch out in the collecting region through hole 14 from installing rack 1 respectively at the two ends of collecting region negative plate installation shaft 13, and be supported in the installing hole of the installing plate 15 on installing rack 1 outer wall, installing plate 15 is fixedly mounted on the outer wall of installing rack 1, in collecting region negative plate installation shaft 13 in installing hole, be set with insulation sleeve 16, in collecting region negative plate installation shaft 13 in insulation sleeve 16, threaded engagement is provided with clamp nut 17, tighten clamp nut 17, can make insulation sleeve 16 be fastened with corresponding collecting region negative plate installation shaft 13.The positive plate installation shaft 12 of described corona zone pole plate 4, collecting region positive plate 10, collecting region negative plate 11, corona zone pole plate installation shaft 5, collecting region, on the surface of upper and lower corona discharge electrode 7 and 71, collecting region negative plate installation shaft 13 and the inwall of installing rack 1, be coated with one deck oil resistant, corrosion-resistant, resistant to elevated temperatures Anti-Adherence Coating of Polytetrafluoroethylene, and the thickness of Anti-Adherence Coating of Polytetrafluoroethylene is 8~12 μ m, and non-sticking lining heatproof is not less than 200 ℃.In Anti-Adherence Coating of Polytetrafluoroethylene, be provided with conductive material, conductive material is carbon, and it is (3 ± 20%) Ω/cm that the addition of carbon makes the electric conductivity of non-sticking lining
2.
Operation principle of the present utility model is: the air containing smoke particle enters into and purifies in casing 18 from air inlet 19, and enters in the unit electric field 21 of differing heights, enters into successively corona zone 2 and the collecting region 3 of each unit electric field 21 containing the air of smoke particle.In corona zone 2, under the effect of the corona zone electric field forming between corona wire 6 and corona zone pole plate 4 and installing rack 1 inwall, airborne smoke particle in corona zone 2, become positively charged lotus or negative electrical charge, enter into collecting region 3 and the collecting region positive plate 10 and the collecting region negative plate 11 that are collected in district 3 adsorb with the smoke particle of positive and negative electric charge.Like this, airborne smoke particle has just been eliminated totally, and clean air is discharged from air outlet 20.Due to the corona zone pole plate 4 at each unit electric field 21, collecting region positive plate 10, collecting region negative plate 11, corona zone pole plate installation shaft 5, the positive plate installation shaft 12 of collecting region, on, lower corona discharge electrode 7 and 71, on the surface of collecting region negative plate installation shaft 13 and the inwall of installing rack 1, be coated with one deck oil resistant, corrosion-resistant, high temperature resistant, the Anti-Adherence Coating of Polytetrafluoroethylene of conduction, and because Anti-Adherence Coating of Polytetrafluoroethylene has surface tension minimum in solid material, therefore it has high lubricated and inadhesive feature, thereby make smoke particle be difficult for sticking to the surface of each parts in electric field, so just greatly extend the cleaning frequency of electric field, and greatly reduce the operation cost of equipment.Also very convenient when cleaning, only the cleaning fluid that is mixed with washing agent need be sprayed on the each parts in electric field by spray head, the smoke particle sticking on each parts has just been cleaned up easily.